Engine Controls - Introduction (Except Diesel & Hybrid): Introduction: Preface: Notes

This information provides a step-by-step approach for diagnosing driveability, emission, and powertrain control system symptoms. Before beginning diagnosis, it may be helpful to refer to any Technical Service Bulletins (TSBs) or On-line Automotive Service Information System (OASIS) information when this is available. The TSB and OASIS information is available on either the Professional Technician Society (PTS) or Motorcraft® website.

This information is used in conjunction with the Service Information article and Wiring Diagrams articles. The Service Information article provide additional diagnostic or component removal and installation information. The Wiring Diagrams articles provide vehicle specific wiring information, component, connector, and splice locations.

The following is a description of the information contained in each portion of this article.